Antifriction-wheel.



0.. W. SII-:BERT III I. II. H. BUNIIN.

`JINTIFRICTION WHEEL. APPLICATION FILED MAR. I5. 'I9Ie.

Patented June 20 1916L Imis OTTO W. SIEBERT, OF GARDNER, AND JOI-IN QR.' H. BUNTIN, 0F EAST TMPLETON,

MASSACHUSETTS; SAID BUNTIN ASSGNOR T SAID SIEBEBT.

AnrrrnrcrioN-WHEEL.

Application filed March 15,1916. Serial-Nq. 84,323.

To all whom t may concern.'

Be it known that we, O'r'ro WV. Smnn'r and JOHN R. H. BUNTIN, citizens of the United States, residing, respectively, at

Gardner and EastTempleton, -bothin the' county of Worcester and State of Massachusetts, have invented new and useiiul lm# provements in Antifriction-lvheels, of which the following is a specification.

This invention relates `to anti-friction Wheels, and particularly t'o those of the typ used on baby carriages.

'For convenience in packing, and for transporting baby carriages from the manufacturer to the dealer, thewheels are detached from the' axles, and the dealer is under the necessity of attaching them. This practice has led to the adoption of nutless wheels, so called because the axles are provided with latches, and the wheel hubs are provided with iianges adapted to coact with said latches to keep the wheels on the axles.

T he use of latches instead of nuts has proven of utilizing anti-friction bearings in con# unction with such latching devices. 1

Our present invention combines ant1-fr1ction bearings and latching devices in such manner as to eliminate relative movement, and consequently r1ct1on, so far as the latching devices rare concerned, and as a result the Wheel is anti-friction in every re- Of the accompanying drawings. which illustrate the present invention: Figure 1 represents an elevation including a wheel axle, two wheels mounted thereon, and latching devices vcarried by the `axle and arranged to keep the wheels thereon.- ig. 2'repre-y sents a longitudinal sectional view, on a larger scale, through the hub portion of such wheel and through'the adjacent latching device on the axle. Fig. 3 represents an elevation of the sleeve that is used to confine the anti-friction bearing elements in the hub fand to coact with the latching device to I keep the wheel on the axle.

Thesame reference characters indicate the same\parts wherever they occur.. 5

The Wheels are indicated .at 10, 10, and

their hubsnreindicated l' at l11, 11. Two

latching devices, `o`l"'-well known construction, are included in Fig. 1, andone of them is included in Fig. 2. Each latching device comprises a member 12 of pressedsheetmetal,

,a stem 13, and a helical compression spring 14.

The stem extends through a hole in the axle A and is movable endwiseI It hasa head 15,

" and the spring 14 is compressed between such head andthe axle. As shown by Figs. 1 and 2, upward pressure against the head 15 will lift the stem against the stress of the spring, and will thus move the member 12 to release the wheel. Y.The member 12 has a axle as hereinafter. explained.

The drawings illustrate a wood wlieel, but

it is to be understood that the invention is capable of being embodied in an all meta-l wheel. Accord-ing to the structure as illus trated, the endsv of the hub 1l are counter-- bored for the reception of two sets of antifriction bearing' elements. Each set com- 'iange 16 whereby the wheel is held upon the J prises inner and outer annular'members17 and 18 and a .series of' rolling members 19.

In thepresent instance the rolling members are balls, but it is well understood that rolling members of other shapes are sometimes used instead of balls, especially whenthe wheels are intended to carry heavy loads. t

The members 17 and 18 are, in the present instance, the fcone and cup respectively of the bearing structure. A sleeve 20 ex- 'tendsthrough' and is sustained by both cone members 17. As shown by Fig. 2, the left'- hand end portion of this sleeve isv flared, providing a shoulder 21. The flaring operation by which this shoulder is produced is performed after the anti-friction bearing Iend 26. This flange member 25 is arranged Fi c.,

device carried by flange 16 @if .lm-Qing il-evi@ E im u, and" the sleeve 2f) has beim hand am; pmlon of *dus @leave sabpcf. Si d im flap @ald sleeve, sind seeve havth@ zming Gpemton whereby h@ shmif ing rige ar'fsmgee to com; with smid dei 211s 'piodu The two afm'au many EN i@ Leg/p Saud seeve on Saa-1d arde, and mrs U ghus become, combined bawue l s'wub v ,rmtmm beaamt-fg eemaxs @ranged bed Said seev to enable said whes @um reavely at@ said seewg.

E2. En combination, a Wheel, ancoi; ems arranged therein.; :m a,

^ am 2l and 22, :md ha tw@ sets @if bearing @mwen whe The and potions of he axle, @ne ai f imcaed at L in 2, :ma ad? to gf.; bem-ing @im mi@ h@ 3199319520. in nutess xihelm made, h@ rcx'z.' uen zo www. the Wheel has occmfz'ad hemmen and the Sleeve cormspondng o and between suh slsava and. h- 1 5 one sa s why it may he ine-ifi ment.

A, qu, a "wired, :m zude- '1mi-ll and wie 1z0 susmr. hm loud 0n df-ev. @t/er, smc?. mams u'lcludi mma-'rst ,Lemma and a lat-ching dew@ and. arranged o c0241?,

@amati an and pmton. aduped to go into simi 1- ing' shoulders @Gmng Said. beaiug da 3f 1 naming means mlgef 1g element im .keep M 

